Accessory support clamp for trucks



FIG. 1 is a front elevation of an accessory support clamp for trucks showing my new design;

FIG. 2 is a side elevation as viewed from the right in FIG. 1;

FIG. 3 is a side elevation as viewed from the left in FIG. 1;

FIG. 4 is a top view as viewed from the top in FIG. 1; and,

FIG. 5 is a bottom view as viewed from the bottom in FIG. 1.

The broken line showing of welding and a structural component are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an accessory support clamp for trucks, as shown and described. 